Classification
D - World History
268
F - General American History
114
R - Medicine
110
Q - Science
97
H - Social Science
74
B - Philosophy, Psychology, Religion
71
A - General Works
48
G - Geography, Anthropology, Recreation
39
S - Agriculture
35
P - Language and Literature
34
T - Technology
34
M - Music
24
C - Historical Sciences
20
N - Fine Arts
19
L - Education
18
Z - Library Science
18
E - United States History
9
K - Law
5
J - Political Science
4
V - Naval Science
1